fpga/tests/plot_edgedetect.py

   1 #!/usr/bin/env python3
   2 #-----------------------------------------------------------------------------
   3 # Copyright (C) 2014 iZsh <izsh at fail0verflow.com>
   4 #
   5 # This code is licensed to you under the terms of the GNU GPL, version 2 or,
   6 # at your option, any later version. See the LICENSE.txt file for the text of
   7 # the license.
   8 #-----------------------------------------------------------------------------
   9
  10 import sys
  11 try:
  12     import numpy
  13 except ModuleNotFoundError:
  14     print("Please install numpy module first.")
  15     sys.exit(1)
  16
  17 try:
  18     import matplotlib.pyplot as plt
  19 except ModuleNotFoundError:
  20     print("Please install matplotlib module first.")
  21     sys.exit(1)
  22
  23 if len(sys.argv) != 2:
  24     print("Usage: %s <basename>" % sys.argv[0])
  25     sys.exit(1)
  26
  27 BASENAME = sys.argv[1]
  28
  29 nx = numpy.fromfile(BASENAME + ".time")
  30
  31 def plot_time(dat1):
  32     plt.plot(nx, dat1)
  33
  34 sig = bytearray(open(BASENAME + ".filtered", 'rb').read())
  35 min_vals = bytearray(open(BASENAME + ".min", 'rb').read())
  36 max_vals = bytearray(open(BASENAME + ".max", 'rb').read())
  37 states = bytearray(open(BASENAME + ".state", 'rb').read())
  38 toggles = bytearray(open(BASENAME+ ".toggle", 'rb').read())
  39 high = bytearray(open(BASENAME + ".high", 'rb').read())
  40 highz = bytearray(open(BASENAME + ".highz", 'rb').read())
  41 lowz = bytearray(open(BASENAME + ".lowz", 'rb').read())
  42 low = bytearray(open(BASENAME + ".low", 'rb').read())
  43
  44 plot_time(sig)
  45 plot_time(min_vals)
  46 plot_time(max_vals)
  47 plot_time(states)
  48 plot_time(toggles)
  49 plot_time(high)
  50 plot_time(highz)
  51 plot_time(lowz)
  52 plot_time(low)
  53
  54 plt.show()